Test your basic knowledge |

DSST Physical Sciences Principles

Subjects : dsst, science

Instructions:

Answer 31 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. At a given speed - the centripetal force - the smaller the circle.
Momentum
Newtons first principle of Universal Gravitation
Less on the moon
Third principle of Centripetal force

2. cogeneration uses...
263 degrees kelvin
Difference between the heat supplied and the heat exhausted
Waste heat for secondary uses
Waves and particles

3. Circular motion requires centripetal force
Twice the work
First principle of Centripetal force
Newtons third principle of Universal Gravitation
Remains unchanged

4. From the 50's and to the 70's - the pH of rain in the northeast had..
Near a maximum
Waste heat for secondary uses
Decreased
Waves and particles

5. A 5 kg fish that is swimming toward it at a velocity that brings both fish to a halt. What is the speed of the smaller fish?
Waves and particles
5 m/s
Less on the moon
Third principle of Centripetal force

6. The work that a heat engine is able to accomplish is ideally equivalent to the
12 miles per hour
Difference in the sped of light in water vs. air
Difference between the heat supplied and the heat exhausted
Remains unchanged

7. Raising an auto in a service station requires work. Raising it twice as high requires...
Total internal energy of an object
First principle of Centripetal force
Movement
Twice the work

8. Entropy refers to...
Newtons second principle of Universal Gravitation
Disorder
First principle of Centripetal force
Sulfur

9. Electromagnetic radiation can be viewed as...
Difference between the heat supplied and the heat exhausted
Heat of fusion
Mechanical - chemical - and radiant energy
Waves and particles

10. Electrical energy can be converted to...
Mechanical - chemical - and radiant energy
263 degrees kelvin
Newtons second principle of Universal Gravitation
12 miles per hour

11. The larger the centripetal force - the faster an object travels in a circle of a given size
Second principle of Centripetal force
Remains unchanged
263 degrees kelvin
Increasing speed and constant acceleration

12. When you add heat to a substance - its temperature...
Halogen radicals interfering in ozone synthesis
Twice the work
Might stay the same
Waves and particles

13. If a charging elephant has kinetic energy - it must also have...
Difference between the heat supplied and the heat exhausted
First principle of Centripetal force
Momentum
Waste heat for secondary uses

14. Increasing the frequency of light
Momentum
Increases the energy
Means less power is transmitted
Waste heat for secondary uses

15. A temperature of -10 degrees celsius is equivalent to...
First principle of Centripetal force
263 degrees kelvin
Near a maximum
Difference in the sped of light in water vs. air

16. In burning coal - what contaminant is of major concern as a pollutant...
Halogen radicals interfering in ozone synthesis
Sulfur
12 miles per hour
Momentum

17. Electric power companies step up the voltage of generated power for transmission across the country because higher voltage...
Increasing speed and constant acceleration
Means less power is transmitted
Disorder
Near a maximum

18. The gravitational force between two masses is inversely proportional to the square of the distance between those two objects.
Waves and particles
Difference in the sped of light in water vs. air
Newtons third principle of Universal Gravitation
Increasing speed and constant acceleration

19. The reason that a spear fisherman cannot see where the fish is actually located is...
5 m/s
Less on the moon
Difference in the sped of light in water vs. air
Universal

20. The theoretical production curve of oil indicates oil production is...
Disorder
Twice the work
Near a maximum
Less on the moon

21. The heat involved in the change of phase of phase from solid ice to liquid water is called...
Heat of fusion
5 m/s
Means less power is transmitted
Third principle of Centripetal force

22. Neglecting air resistance - a ball in free fall near the earth's surface will have...
Increasing speed and constant acceleration
Near a maximum
Halogen radicals interfering in ozone synthesis
Newtons first principle of Universal Gravitation

23. The weight of one kilogram of iron on earth is...
Less on the moon
Total internal energy of an object
Waves and particles
Halogen radicals interfering in ozone synthesis

24. The gravitational force - two masses are directly proportional to the mass of each object
Twice the work
Near a maximum
Sulfur
Newtons second principle of Universal Gravitation

25. Heat is the...
Total internal energy of an object
Heat of fusion
Newtons second principle of Universal Gravitation
263 degrees kelvin

26. Which is not one of the fundamental forces of nature...
Newtons first principle of Universal Gravitation
Universal
Heat of fusion
Momentum

27. A ship travels 3 miles in 15 minutes what is its speed in miles per hour...
5 m/s
Increases the energy
12 miles per hour
Increasing speed and constant acceleration

28. The ozone hole results from...
Newtons second principle of Universal Gravitation
5 m/s
Waves and particles
Halogen radicals interfering in ozone synthesis

29. In a generator - the flow of electrons (current) is created by...
Remains unchanged
Movement
Disorder
First principle of Centripetal force

30. If the mass of a cart full of groceries decreases of half and its speed doubles - the momentum of the cart...
Difference in the sped of light in water vs. air
Newtons first principle of Universal Gravitation
Disorder
Remains unchanged

31. All objects with mass are attracted to another by the gravitational force
Newtons second principle of Universal Gravitation
Less on the moon
Means less power is transmitted
Newtons first principle of Universal Gravitation